5 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 28645 | Lenoir | 46,424 |
| 28630 | Granite Falls | 20,715 |
| 28638 | Hudson | 11,630 |
| 28667 | Rhodhiss | 235 |
| 28611 | Collettsville | 150 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 5 ZCTAs in Caldwell County, North Carolina (US Census).